| Acronym | Meaning |
| AFWTR | USAF's WTR |
| ALEXIS | Array Of Low Energy X-ray Imaging Sensors |
| SPDM | Special Purpose Dextrous Manipulator |
| MPEC | Multi-Purpose Experiment Canister |
| SIRTF | Space InfraRed Telescope Facility |
| IPAC | Infrared Processing & Analysis Center |
| NBS | National Bureau Of Standards |
| ELV | Expendable Launch Vehicle |
| SWAS | Submillimeter Wave Astronomy Satellite |
| CCDS | Centers For The Commercial Development Of Space |